DE69205041T2 - Schaltung zur Überwachung eines oberen Schwellwertes einer Versorgungsspannung. - Google Patents

Schaltung zur Überwachung eines oberen Schwellwertes einer Versorgungsspannung.

Info

Publication number
DE69205041T2
DE69205041T2 DE69205041T DE69205041T DE69205041T2 DE 69205041 T2 DE69205041 T2 DE 69205041T2 DE 69205041 T DE69205041 T DE 69205041T DE 69205041 T DE69205041 T DE 69205041T DE 69205041 T2 DE69205041 T2 DE 69205041T2
Authority
DE
Germany
Prior art keywords
voltage
circuit
supply voltage
divider
vcc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69205041T
Other languages
German (de)
English (en)
Other versions
DE69205041D1 (de
Inventor
Richard Fournel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STMicroelectronics SA
Original Assignee
SGS Thomson Microelectronics SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SGS Thomson Microelectronics SA filed Critical SGS Thomson Microelectronics SA
Application granted granted Critical
Publication of DE69205041D1 publication Critical patent/DE69205041D1/de
Publication of DE69205041T2 publication Critical patent/DE69205041T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16504—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed
    • G01R19/16519—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed using FET's
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
    • G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
    • G01R19/16552—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies in I.C. power supplies

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
DE69205041T 1991-03-28 1992-03-20 Schaltung zur Überwachung eines oberen Schwellwertes einer Versorgungsspannung. Expired - Fee Related DE69205041T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9103766A FR2674633B1 (fr) 1991-03-28 1991-03-28 Circuit de detection d'un seuil haut d'une tension d'alimentation.

Publications (2)

Publication Number Publication Date
DE69205041D1 DE69205041D1 (de) 1995-11-02
DE69205041T2 true DE69205041T2 (de) 1996-03-21

Family

ID=9411212

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69205041T Expired - Fee Related DE69205041T2 (de) 1991-03-28 1992-03-20 Schaltung zur Überwachung eines oberen Schwellwertes einer Versorgungsspannung.

Country Status (4)

Country Link
US (1) US5440255A (fr)
EP (1) EP0506531B1 (fr)
DE (1) DE69205041T2 (fr)
FR (1) FR2674633B1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2706620B1 (fr) * 1993-06-11 1995-07-21 Sgs Thomson Microelectronics Circuit intégré comportant un circuit de détection du niveau d'une tension de service.
US5534804A (en) * 1995-02-13 1996-07-09 Advanced Micro Devices, Inc. CMOS power-on reset circuit using hysteresis
EP0753754A3 (fr) * 1995-07-12 1998-01-07 Siemens Aktiengesellschaft Circuit comparateur intégré
GB2308453B (en) * 1995-12-22 2000-08-09 Motorola Inc Voltage detector
FR2753579B1 (fr) * 1996-09-19 1998-10-30 Sgs Thomson Microelectronics Circuit electronique pourvu d'un dispositif de neutralisation
US7450359B1 (en) * 2005-03-03 2008-11-11 National Semiconductor Corporation System and method for providing a temperature compensated under-voltage-lockout circuit
US7573306B2 (en) * 2006-01-31 2009-08-11 Kabushiki Kaisha Toshiba Semiconductor memory device, power supply detector and semiconductor device
CN102221640B (zh) * 2010-04-16 2015-11-25 日隆电子股份有限公司 电压侦测器及交直流交换式电源转换器的保护装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3806741A (en) * 1972-05-17 1974-04-23 Standard Microsyst Smc Self-biasing technique for mos substrate voltage
US4359652A (en) * 1980-07-07 1982-11-16 Motorola, Inc. Over voltage detection circuit for use in electronic ignition systems
US4367422A (en) * 1980-10-01 1983-01-04 General Electric Company Power on restart circuit
CA1202091A (fr) * 1981-10-14 1986-03-18 Sinichi Masuda Generateur d'impulsions de retablissement
JPS5928671A (ja) * 1982-08-11 1984-02-15 Fuji Xerox Co Ltd 電圧低下検出回路
US4507571A (en) * 1982-09-29 1985-03-26 Allen-Bradley Company Optically coupled input circuit for digital control
JPS60124124A (ja) * 1983-12-08 1985-07-03 Nec Corp 入力回路
US4599672A (en) * 1984-07-20 1986-07-08 Honeywell Inc. Failsafe power-up/power-down switch
US4746818A (en) * 1985-03-12 1988-05-24 Pitney Bowes Inc. Circuit for maintaining the state of an output despite changes in the state of input
US4674035A (en) * 1985-04-19 1987-06-16 Westinghouse Electric Corp. Supervisory circuit for a programmed processing unit
FR2613491B1 (fr) * 1987-04-03 1989-07-21 Thomson Csf Dispositif de detection du niveau haut d'une tension en technologie mos

Also Published As

Publication number Publication date
US5440255A (en) 1995-08-08
FR2674633A1 (fr) 1992-10-02
FR2674633B1 (fr) 1995-06-23
EP0506531A1 (fr) 1992-09-30
DE69205041D1 (de) 1995-11-02
EP0506531B1 (fr) 1995-09-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee